Harman US

Dayton, TN Weather & Growing Conditions

Tonight
71°F
Partly Cloudy
Partly cloudy, with a low around 71. North wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 71°F Partly Cloudy 0 mph 4%
Saturday 95°F Sunny then Chance Showers And Thunderstorms 0 mph 34%
Saturday Night 70°F Chance Showers And Thunderstorms 0 mph 35%
Sunday 93°F Sunny then Chance Showers And Thunderstorms 0 to 5 mph S 30%
Sunday Night 70°F Chance Showers And Thunderstorms then Partly Cloudy 0 mph 30%
Monday 93°F Mostly Sunny then Chance Showers And Thunderstorms 0 mph 52%
Monday Night 68°F Chance Showers And Thunderstorms 0 mph 52%
Tuesday 88°F Showers And Thunderstorms 0 mph 77%
Tuesday Night 66°F Showers And Thunderstorms 0 mph 77%
Wednesday 84°F Showers And Thunderstorms Likely 0 mph 57%
Wednesday Night 62°F Showers And Thunderstorms Likely 0 mph 57%
Thursday 81°F Mostly Sunny then Slight Chance Rain Showers 0 to 5 mph N 20%
Thursday Night 60°F Slight Chance Rain Showers 0 to 5 mph N 20%
Friday 80°F Slight Chance Rain Showers 0 to 5 mph N 16%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Dayton, TN

Last spring frost
Apr 4
First fall frost
Oct 31
Growing season
208 days
Hardiness zone
7b

Explore more for Dayton, TN: full frost dates · planting calendar · Tennessee frost dates

Climate data from the nearest NOAA station, Dayton 2Se, Tn (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.